User contributions for Alfred

26 October 2015

• 18:5218:52, 26 October 2015 diff hist −311‎ Template:Alfred Xing ‎ Blanked the page current
• 18:4818:48, 26 October 2015 diff hist −337‎ User:Alfred ‎ Blanked the page current

19 April 2013

• 04:2904:29, 19 April 2013 diff hist −830‎ User:Alfred ‎No edit summary
• 04:1904:19, 19 April 2013 diff hist +254‎ N File:Alfred Xing Logo.png ‎No edit summary current

7 April 2013

• 17:1517:15, 7 April 2013 diff hist 0‎ File:MATH101 April 2010 Question 4 Cone.png ‎ Alfred uploaded a new version of "File:MATH101 April 2010 Question 4 Cone.png" current
• 17:1117:11, 7 April 2013 diff hist 0‎ File:MATH101 April 2010 Question 4 Cone.png ‎ Alfred uploaded a new version of "File:MATH101 April 2010 Question 4 Cone.png": Add Δx and r
• 17:0517:05, 7 April 2013 diff hist −28‎ m Science:Math Exam Resources/Courses/MATH101/April 2010/Question 04/Solution 1 ‎ Rerender the image
• 17:0317:03, 7 April 2013 diff hist +301‎ N File:MATH101 April 2010 Question 4 Cone.png ‎No edit summary

26 March 2013

• 16:4516:45, 26 March 2013 diff hist 0‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 02 (a) ‎No edit summary
• 16:4416:44, 26 March 2013 diff hist +182‎ N Science:Math Exam Resources/Courses/MATH101/April 2012/Question 02 (a)/Hint 1 ‎ Created page with "The area between the curves ''f''(x) and ''g''(x) is :: <math>\int_a^b(f(x)-g(x))dx</math> where ''a'' and ''b'' are the intersects of the two curves and ''f''(x) is the upper..."

25 January 2013

• 05:3605:36, 25 January 2013 diff hist +47‎ File:101AR12Q6 - PNG.png ‎No edit summary current
• 05:3305:33, 25 January 2013 diff hist 0‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06 ‎No edit summary
• 05:3105:31, 25 January 2013 diff hist 0‎ File:101AR12Q6 - PNG.png ‎ Alfred uploaded a new version of "File:101AR12Q6 - PNG.png": Fixed added margins (last time didn't add)
• 05:2905:29, 25 January 2013 diff hist 0‎ File:101AR12Q6 - PNG.png ‎ Alfred uploaded a new version of "File:101AR12Q6 - PNG.png": Added margins
• 05:2805:28, 25 January 2013 diff hist +6‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary
• 05:2705:27, 25 January 2013 diff hist −6‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary
• 05:2705:27, 25 January 2013 diff hist +43‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary
• 05:2605:26, 25 January 2013 diff hist +255‎ N File:101AR12Q6 - PNG.png ‎No edit summary
• 05:2505:25, 25 January 2013 diff hist 0‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary
• 05:2205:22, 25 January 2013 diff hist +284‎ N File:101AR12Q6.svg ‎No edit summary current
• 05:2005:20, 25 January 2013 diff hist 0‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary
• 04:4104:41, 25 January 2013 diff hist +24‎ Science:Math Exam Resources/Courses/MATH101/April 2012/Question 06/Statement ‎No edit summary

4 December 2012

• 04:3404:34, 4 December 2012 diff hist +242‎ m Thread:Science talk:MER/Solutions to MATH 100/180 December 2011 and December 2010 final exams/reply (2) ‎No edit summary current
• 04:1204:12, 4 December 2012 diff hist +143‎ Nm Thread:Science talk:MER/Solutions to MATH 100/180 December 2011 and December 2010 final exams/reply (2) ‎ Reply to Solutions to MATH 100/180 December 2011 and December 2010 final exams
• 04:0604:06, 4 December 2012 diff hist +150‎ Nm Thread:Science talk:MER/Challenge: wolframalpha plugin to display stats/reply (5) ‎ Reply to Challenge: wolframalpha plugin to display stats current

1 December 2012

• 04:2304:23, 1 December 2012 diff hist +24‎ User:Alfred ‎No edit summary
• 03:5003:50, 1 December 2012 diff hist +253‎ Nm Thread:Science talk:MER/Solutions to MATH 100/180 December 2011 and December 2010 final exams ‎ New thread: Solutions to MATH 100/180 December 2011 and December 2010 final exams current
• 02:5202:52, 1 December 2012 diff hist +6‎ m Thread:Science talk:MER/Challenge: wolframalpha plugin to display stats/reply (3) ‎No edit summary current
• 02:5102:51, 1 December 2012 diff hist +17‎ m Thread:Science talk:MER/Challenge: wolframalpha plugin to display stats/reply (3) ‎No edit summary
• 02:5002:50, 1 December 2012 diff hist +292‎ Nm Thread:Science talk:MER/Challenge: wolframalpha plugin to display stats/reply (3) ‎ Reply to Challenge: wolframalpha plugin to display stats

29 November 2012

• 23:3723:37, 29 November 2012 diff hist +525‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 02 (a)/Solution 1 ‎ Created page with "== Draft == Newton's Law of Cooling states that :<math>\displaystyle T(t)-T_s=(T(0)-T_s)e^{kt} </math> We know that the initial temperature, ''T''(0), is equal to 3; ''T<sub..."
• 22:4822:48, 29 November 2012 diff hist +326‎ Nm Thread:Science talk:MER/Challenge: wolframalpha plugin to display stats/reply ‎ Reply to Challenge: wolframalpha plugin to display stats current

23 November 2012

• 06:4506:45, 23 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (a) ‎No edit summary
• 06:4506:45, 23 November 2012 diff hist +336‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (a)/Solution 1 ‎ Created page with "Directly plugging in ''x''=1 into the limit gives 0/0. Since this is an indeterminate form, we can use L'Hospital's rule: :<math> \displaystyle \begin{align} &\lim_{x\to 1}{\..."
• 06:3806:38, 23 November 2012 diff hist +1‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (e) ‎No edit summary
• 06:3706:37, 23 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (d) ‎No edit summary

6 November 2012

• 00:1900:19, 6 November 2012 diff hist +701‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (j)/Solution 1 ‎ Created page with "To find the second degree Taylor polynomial, we use the equation :<math> T_2(x)=f(a)+f'(a)(x-a)+\frac{f''(a)}{2}(x-a)^2 </math> We know that ''a'' =4 and that ƒ(x)=&radic..."
• 00:0500:05, 6 November 2012 diff hist +146‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (j)/Hint 1 ‎ Created page with "Recall that the general equation for a second degree Taylor polynomial is given by: :<math> T_2(x)=f(a)+f'(a)(x-a)+\frac{f''(a)}{2}(x-a)^2 </math>"
• 00:0400:04, 6 November 2012 diff hist +212‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (j)/Statement ‎ Created page with "{{Math Exam Resources/Courses/MATH100/December 2010/Question 1/Statement/Header}} Find the second degree Taylor polynomial T₂(x) for :<math>\displaystyle f(x)=\sqr..."
• 00:0300:03, 6 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (j) ‎No edit summary
• 00:0200:02, 6 November 2012 diff hist +530‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (i)/Solution 1 ‎No edit summary

5 November 2012

• 23:5323:53, 5 November 2012 diff hist +159‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (i)/Solution 1 ‎ Created page with "Let ''ƒ'' (x)=x^1/3. First we need a number as close to 30 as possible but whose cube root we know. A good candidate would be 3³=27."
• 23:4623:46, 5 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (i) ‎No edit summary
• 23:4623:46, 5 November 2012 diff hist +221‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (i)/Statement ‎ Created page with "{{Math Exam Resources/Courses/MATH100/December 2010/Question 1/Statement/Header}} Use a suitable linear approximation to estimate (30)^1/3. Give your answer as a fr..."
• 23:4423:44, 5 November 2012 diff hist +525‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (h)/Solution 1 ‎ Created page with "To differentiate this, we should use logarithmic differentiation: :<math>\displaystyle \begin{align} ln(f(x))&=\ln{((\tan{x})^{\cos{x}})}\\ ln(f(x))&=\cos{x}\ln{(\tan{x})}\\ (..."
• 23:3723:37, 5 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (h) ‎No edit summary
• 23:3623:36, 5 November 2012 diff hist +163‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (h)/Statement ‎ Created page with "{{Math Exam Resources/Courses/MATH100/December 2010/Question 1/Statement/Header}} Find ''ƒ'' ’(x), if :<math>\displaystyle f(x)=(\tan{x})^{\cos{x}} </math>"
• 23:2023:20, 5 November 2012 diff hist +656‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (g)/Solution 1 ‎ Created page with "First, we must find the derivative of the curve using implicit differentiation: :<math>\displaystyle \begin{align} x^4-x^2y+y^4 & =1\\ (x^4-x^2y+y^4)'&=(1)'\\ 4x^3-(x^2y)'+4y^..."
• 23:0623:06, 5 November 2012 diff hist 0‎ Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (g) ‎No edit summary
• 23:0623:06, 5 November 2012 diff hist +195‎ N Science:Math Exam Resources/Courses/MATH100/December 2010/Question 01 (g)/Statement ‎ Created page with "{{Math Exam Resources/Courses/MATH100/December 2010/Question 1/Statement/Header}} Find the slope of the tangent line to the curve :<math>\displaystyle x^4-x^2y+y^4=1 </math> ..."